Exposure
ID
GRAVI.2025-11-25T03:01:57.227_1
Header ID
GRAVI.2025-11-25T03:01:57.227
Date updated
2025-11-25 03:15:49 UTC+0000
Release date
2025-11-25 03:01:57 UTC+0000
UTC Start
2025-11-25 03:01:57.227
UTC End
2025-11-25 03:04:21.227
MJD Start
61004.12635679
MJD End
61004.128023456666
Exposure time (s)
144.0
Validation level
1
Tau 0: Coherence time (s)
0.007253
Ambient temperature (°C)
13.94
Seeing (arcsec)
0.575
Observation
ID
71843
Category
calibrator
Program ID
116.28NF.002
Program Title
CIRCUMSTELLAR ENVELOPES OF NEARBY CEPHEIDS WITH GRAVITY TO REFINE THE PERIOD-LUMINOSITY RELATION IN THE JWST ERA
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / GALLENNE / LEFTLEY / KERVELLA / MÉRAND / PIETRZYNSKI / KAMINSKI / GIEREN / BAILLEUL / BRAS
Target
ID
53334
Name
HD_36689
RA
82.317424
DEC
-62.31438
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 33.0570 33.2370 118.3000 118.7000
A0-D0 31.8900 31.8990 37.0000 37.6000
A0-G1 74.0150 74.2990 73.0510 73.7410
B5-D0 42.3010 42.3450 346.4000 346.8000
B5-G1 55.8870 55.9570 48.2300 48.9170
D0-G1 51.7540 52.0350 94.3160 94.9150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61004.12635679
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 36689
HIERARCH ESO INS SOBJ NAME HD_36689
RA 82.317424
DEC -62.31438
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 170.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 48
HIERARCH ESO ISS PBL12 START 33.057
HIERARCH ESO ISS PBL12 END 33.237
HIERARCH ESO ISS PBLA12 START 118.3
HIERARCH ESO ISS PBLA12 END 118.7
HIERARCH ESO ISS PBL13 START 31.89
HIERARCH ESO ISS PBL13 END 31.899
HIERARCH ESO ISS PBLA13 START 37.0
HIERARCH ESO ISS PBLA13 END 37.6
HIERARCH ESO ISS PBL14 START 74.015
HIERARCH ESO ISS PBL14 END 74.299
HIERARCH ESO ISS PBLA14 START 73.051
HIERARCH ESO ISS PBLA14 END 73.741
HIERARCH ESO ISS PBL23 START 42.301
HIERARCH ESO ISS PBL23 END 42.345
HIERARCH ESO ISS PBLA23 START 346.4
HIERARCH ESO ISS PBLA23 END 346.8
HIERARCH ESO ISS PBL24 START 55.887
HIERARCH ESO ISS PBL24 END 55.957
HIERARCH ESO ISS PBLA24 START 48.23
HIERARCH ESO ISS PBLA24 END 48.917
HIERARCH ESO ISS PBL34 START 51.754
HIERARCH ESO ISS PBL34 END 52.035
HIERARCH ESO ISS PBLA34 START 94.316
HIERARCH ESO ISS PBLA34 END 94.915
HIERARCH ESO ISS AMBI TAU0 START 0.007058
HIERARCH ESO ISS AMBI TAU0 END 0.007448
HIERARCH ESO ISS AMBI TEMP 13.94
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.61